Back
CVE-2019-15941
OpenID Connect Issuer in LemonLDAP::NG 2.x through 2.0.5 may allow an attacker to bypass access control rules via a crafted OpenID Connect…
Critical9.8EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
OpenID Connect Issuer in LemonLDAP::NG 2.x through 2.0.5 may allow an attacker to bypass access control rules via a crafted OpenID Connect authorization request. To be vulnerable, there must exist an OIDC Relaying party within the LemonLDAP configuration with weaker access control rules than the target RP, and no filtering on redirection URIs.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (4)
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881 (opens in a new tab)x_refsource_MISCx_transferred
- https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out/ (opens in a new tab)x_refsource_MISCx_transferred
- DSA-4533 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20190926 [SECURITY] [DSA 4533-1] lemonldap-ng security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-15941)Record last updated .